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Biological Molecules

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

Which Chemical Formula best matches a Carbohydrate?

a)

C6H12O6

b)

NaHCO3

c)

CaCO3

d)

H3PO

2.
What group of biological molecules contains DNA and RNA...
a)
Nucleic acids
b)
carbohydrates
c)
proteins
d)
lipids
3.

Which of the following statements best describes Elements, Atoms, and Molecules?

a)

Elements make up everything. An Element is a type of Molecule. Atoms are made up of two or more Elements bonded together.

b)

Molecules make up everything. An Atom is a type of Element. Elements are made up of two or more atoms bonded together.

c)

Atoms make up everything. An Element is a type of Atom. Molecules are made up of two or more atoms bonded together.

4.

Which of the following molecules is a quick source of energy?

a)

carbohydrate

b)

fat

c)

protein

d)

water

5.

Which biological molecule is made by joining amino acids together?

a)

fat

b)

protein

c)

carbohydrate

d)

water

6.
What are the four biological molecules?
a)
proteins, carbohydrates, lipids, nucleic acids
b)
A, T, C, G
c)
water, air, earth, and fire
d)
Joe, Nick, and Kevin Jonas
7.
A biological polymer that stores and transmits genetic information is a ...
a)
nucleic acid
b)
carbohydrate
c)
lipid
d)
protein
8.

A group of organic molecules that includes sugars, starch, and cellulose are called...

a)

proteins

b)

carbohydrates

c)

nucleic acids

d)

lipids

9.
What are the three components of a genetic molecule?
a)
A phosphate group, pentose sugar, and nitrogenous base
b)
Sucrose, Fructose, and Lactose
c)
A phosphate group, Pentose Sugar, and Oxygen base 
d)
A Carbon Group, Pentose sugar, and Oxygen Base
10.

What are the building blocks of a polysaccharide?

a)

Amino Acids

b)

Nucleotides

c)

Triglycerides

d)

Monosaccharides

11.
Oranic molecules that always contain carbon, oxygen and hydrogen, often in a 1:2:1 ratio
a)
carbohydrates
b)
functional groups
c)
enyzme
d)
monosaccaride
12.

A class of biological molecules whose defining characteristic is that they are hydrophobic. Examples of these include steroids, oils, fats, and fatty acids.

a)

protein

b)

monomer

c)

lipids

d)

glycogen

13.
Also known as simple sugars, these carbohydrate monomers.
a)
lipids
b)
nucleotide
c)
monosaccharide
d)
monomer
14.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
15.

Which of the following contains lots of protein? (check all that apply)

a)

Milk

b)

Orange Juice

c)

Steak

d)

Eggs

e)

Fish

16.

Which of the following contain Polysaccharides (Starches)

a)

Potatoes

b)

Fish

c)

Yogurt

d)

Steak

e)

Pasta

17.

Which of the following foods contain lipids?

a)

Tomato sauce

b)

Steak

c)

Fish

d)

Pasta

e)

Milk

18.

Which of the following foods contain monosaccharides (simple sugars)

a)

Pasta

b)

Icing

c)

Fruit Juice

d)

Eggs

e)

Tomato Sauce

19.

Which picture best shows how nucleotides fit together?

a)
b)
c)
20.

One strand of DNA has the sequence following sequence

ATT GAG TAA CGC CTA

From Left to right, what is the matching sequence?

(a)